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update_site_meta ›

Seit5.0.0
Veraltetn/v
update_site_meta ( $site_id, $meta_key, $meta_value, $prev_value = '' )
Parameter: (4)
  • (int) $site_id Site ID.
    Erforderlich: Ja
  • (string) $meta_key Metadata key.
    Erforderlich: Ja
  • (mixed) $meta_value Metadata value. Must be serializable if non-scalar.
    Erforderlich: Ja
  • (mixed) $prev_value Optional. Previous value to check before removing. Default empty.
    Erforderlich: Nein
    Standard: (leer)
Gibt zurück:
  • (int|bool) Meta ID if the key didn't exist, true on successful update, false on failure.
Definiert in:
Codex:

Updates metadata for a site.

Use the $prev_value parameter to differentiate between meta fields with the same key and site ID.

If the meta field for the site does not exist, it will be added.



Quellcode

function update_site_meta( $site_id, $meta_key, $meta_value, $prev_value = '' ) {
	// Bail if site meta table is not installed.
	if ( ! is_site_meta_supported() ) {
		/* translators: %s: database table name */
		_doing_it_wrong( __FUNCTION__, sprintf( __( 'The %s table is not installed. Please run the network database upgrade.' ), $GLOBALS['wpdb']->blogmeta ), '5.0.0' );
		return false;
	}

	$updated = update_metadata( 'blog', $site_id, $meta_key, $meta_value, $prev_value );

	// Bust site query cache.
	if ( $updated ) {
		wp_cache_set( 'last_changed', microtime(), 'sites' );
	}

	return $updated;
}